Liquid-container and valve mechanism therefor particularly applicable for use in water and like elevators.



l 5.1:. HOD-DBR. LIQUID UONTAINBB. AND VALVE M`r".0HNIS1SLl l THEREFORVPARTIOYULARLYA PPLIUABLIS,

ron USEIIN, WATER AND LIKE BLBvAToRs;

vAlrlirofa'r'rorw Hmm 001210, laos.

` Patented Jam 24', 1911.

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UNITED srarpsmragrnnr oFFicE.

ALBERT EDWARD I-IODDER, 0F LONDON, ENGLAND, ASSIGNOR TO AUTO-HYDRAULICLIMITED, OF LONDON, ENGLAND.

LIQUID-CONTAINER AND VALVE MECHANISM THEREFOR PARTICULARLY APPLICABLEFOR USE IN WATER AND LIKE ELEVATORS.

To all whom it 'may concern:

Be it known that I, ALBERT EDWARD Hon- DER, a subject of the King ofEngland, residing at London, in England, have invented certain new anduseful Improvements in Liquid-Containers and Valve Mechanism ThereforParticularly Applicable for Use in Vater and Like Elevators, of whichthe following is a specification.

This invention relates to improvements in liquid containers and valvemechanism therefor, and is particularly applicable for use in raisingliquids, such as water, sludge, sewage, and the like.

An important feature of this invention is the combination with two ormore liquid containers of means for automatically and successivelyconnecting them to a source of fluid-pressure for emptying them and ofmeans for subsequently reducing the pressure so that liquid can beforced into the containers.

Other features of this invention will be evident from the followingdescription taken in connection with the accompanying drawings, whichillustrate the preferred constructions of apparatus employed in carryingthis invention into effect.

In the drawing the iignre is a diagrammatic sectional elevation of twocontainers with their valve-mechanisms.

Like letters indicate like parts throughout the drawings.

A and A1 are two containers. The liquid is supplied through an inletconduit B and passes through to the containers through openings C andC1. A valve D controls the lpassage of the liquid to the container A anda valve D1 to the container A1. These valves are mounted on a commonspindle D2 and they are so arranged that when one is opened the other isclosed. Vhen the liquid is emptied from the containers it passes througheither the openings C or C1 to outlet conduits E or E1.

Gas under pressure is led through the conduit or pipe F and can pass toeither the container A or A1 through pipes Gr or G1 respectively. Thepassage ot' the gas through the pipes G and G1 is controlled by valves Hand H1 mounted on a common spindle H2. These valves are so arranged thatwhen one is closed the other is opened and preferably the amount ofmovement of the valves is Specification of Letters Patent.

Application led October 10, 1908.

Patented Jan. 24, 1911.

Serial No. 457,124.

very limited so that it is practically impossible for both valves to beeven partially open at the same time. The pipes G and G1 are led nearlyto the bottom of the containers A and A1 respectively. The tops of thecontainers A and A1 are provided with airoulet valves I and I1respectively, these valves being adapted to close when floated upward bythe liquid in the containers.

The operation of the apparatus is as follows lVith the containers emptyand the valves in the position shown in the drawings, liquid suppliedthrough the conduit B would pass through the valve D and into thecontainer A. The conduit E it is assumed is connected toY a conduitreaching to a height above the containers or is closed in some manner sothat the liquid does not pass out of the conduit E. The valve I is openso that the container gradually filli with liquid until reaching thefloat of the valve I the latter is closed. Compressed gas is thensupplied through the conduit I` and this escaping through the pipe C1 tothe atmosphere, closes by its rush the valve H1 and consequently opensthe valve H. The compressed gas then passes through the pipe G andbubbles up through the liquid, forcing the liquid out of the container Athrough the conduit E. The pressure of this liquid closes the valve Dand opens the valve D1 whereupon the liquid is able to pass from theconduit into the container A1. The valve H having been opened the valveH1 is closed so that the container A1 is filled in exactly the samemanner as described above in connection with the container A.

lVhen either the container A or the container A1 is being emptied, thevalve I or the valve I1 respectively is kept closed by the pressure ofthe gas. The valve I1 is illustrated in the drawing as being in theclosed position, but with the container empty as shown this would not bethe case; it is so illustrated merely to indicate the position itoccupies when both containers are operative and the container A is inprocess of heilig filled and the container A1 in process of beingemptied. Considering, for eX- ample, the container A as being empty andabout to be filled, the valve H being closed by the major pressure inthe conduit F, the water rising in A will entrap a column of air in thepipe Gr, which by the time the y container A is filled will be under apressure I equal to the head of water above the lower Veither containeris completely emptied.

j' end of the pipe. When the time comes for the valve H to open, theoperation is made instantaneous by the column of air in pipe G expandingand thus eXpediting the ac- 1 tionof the rush of air past H1.

Vith the two cylinders in operation the valves H and H:L are operated bythe rush of gas which occurs at the moment that The operation of thevalves H and Hl is,

K' ashas just been described, aided by the pressure of the gas entrappedin the pipes siderable height above the containers as illustrated. s

VOne of the chief advantages of this invention is that there is nomoving mechanism within either container.

Obviously various modifications may be l made in the method of carryingthis inven- 1 tion into effect.

y Vhat I claim as my invention and desire to secureby Letters Patent isl l. In a water elevator the combination of al source of liquid supplyJ, a conduit B connected thereto, two containers A A1 each connected atthe bottom directly to the conduit IB through a valve, a source of fluidpressure7 conduits G G1 connected to each other and to the said sourceof fluid pressure and said containers, valves H H1 in said conduits G G1arranged one on either sidel of the junction of the conduits G G1 withthe conduit connected to the source of fluid pressure, a spindle H2connecting the said valves I-I H1 and a conduit K from the bottom ofeach container leading up to the level of discharge.

2. In a water elevator the combination of a source of liquid supply J, aconduit B connected thereto, two containers A A1 hav-l ing openings C C1at the bottom each connected directly to the conduit B, valves D D1between the conduit B and the openings C C1 respectively, a spindle D2connecting said valves D D1, a source of fluid pressure, conduits G G1connected to each other and to said source of fluid pressure and saidcontainers, valves H H1 in saidconduits G G1 arranged one on either sideof the junction of the conduits G G1 with a conduit connected to thesource of fluid pressure, a spindle H2 connecting said valves H H1 and aconduit leading from the bottom of each container up to the level ofdischarge.

3. In a water or the like elevator the combination with a container of afluidpressure conduit reaching nearly to the bottom of the container andan air-trap formed by the fluid-pressure conduit and the liquid in thecontainer.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

, ALBERT EDWARD HODDER.

wWitnesses Jol-IN VALE, HARRYVS. STADY.

